Finding the Fourth Proportional to 9,796.81, 13,519.60 and 5,605.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,796.81 : 13,519.60 = 5,605.06 : x
2. Step 2: Convert to fraction form
   9,796.81/13,519.60 = 5,605.06/x
3. Step 3: Cross multiply
   9,796.81x = 13,519.60 × 5,605.06
4. Step 4: Simplify right side
   9,796.81x = 75,778,169.18
5. Step 5: Solve for x
   x = 75,778,169.18/9,796.81
6. Step 6: Final answer
   x = 7,734.98